Which best describes the cold war during the years when nikita khrushchev led the soviet union? a. cold war tensions were relaxed because khrushchev was a dedicated reformer. b. cold war tensions were at their height, especially after khrushchev ordered an end to leonid brezhnev’s domestic reforms. c. cold war tensions were relaxed because khrushchev ordered that the berlin wall be destroyed. d. cold war tensions were at their height, especially because of the cuban missile crisis.